Instagram + Facebook — When Mike and I started Instagram nearly two years ago, we set out to change and improve the way the world communicates and shares. We've had an amazing time watching Instagram grow into a vibrant community of people from all around the globe.

Here is why Facebook bought Instagram — You might have heard by now that Facebook has acquired Instagram for nearly a billion dollars in cash and stock. Incredible, isn't it? I have received text messages of awe and shock from many people in the Valley, for no one saw this coming.

Exclusive: Facebook Deal Nets Instagram CEO $400 Million — Facebook's acquisition of the immensely popular photo-sharing service Instagram for $1 billion is far and away the largest acquisition in the history of the world's largest social network. But for CEO Kevin Systrom and company, it's a windfall payday like none other.

Did Facebook panic? — Why Facebook is buying Instagram. — Last week, mobile photo-sharing site Instagram raised $50 million from venture capitalists at a $500 million valuation. Today, the company agreed to be acquired for $1 billion by Facebook. — So what happened in the intervening days?

Investor Update — PandoDaily has always had a pact with readers that we'll be open and honest- particularly on the subject of our investors. Typically, this means we're telling you about new investors. — Today, however, we find ourselves in the unexpected position of having to disclose …

A Faster Emulator with Better Hardware Support — [This post is by Xavier Ducrohet and Reto Meier of the Android engineering team. — Tim Bray.] — The Android emulator is a key tool for Android developers in building and testing their apps. As the power and diversity of Android devices …

Carriers Band to Fight Cellphone Theft — The nation's major wireless providers have agreed to a deal with the U.S. government to build a central database of stolen cellphones—part of a broad effort to tame an explosion of thefts nationwide. — The database, which the wireless companies …

Marriott Says It Stopped Ad Service Hidden in Wi-Fi — Last week, the Courtyard Marriott hotel in Midtown Manhattan was discovered to come with some hidden extras: The free Wi-Fi connection inserted lines of code for serving special ads into every Web page a guest visited.